Update test workflow to build coverage file and improve pytest command

Author: mathiasesn

.github/workflows/test.yaml

@@ -24,10 +24,9 @@ jobs:
         with:
           python-version: "3.10"
 
-      - name: Run pytest
+      - name: Build coverage file
         run: |
-          set -o pipefail
-          uv run pytest --junitxml=pytest.xml | tee pytest-coverage.txt
+          pytest --junitxml=pytest.xml --cov-report=term-missing:skip-covered --cov=app tests/ | tee pytest-coverage.txt
 
       - name: Pytest coverage comment
         uses: MishaKav/pytest-coverage-comment@v1